XTi2.5 Series Power Amplifier XTi2.5 系列功率放大器
18
Operation Manual
操作手册
8. 规格
性能
灵敏度(全额定功率，4ohms) 1.4V
频率响应(1 W, 4 ohms) 20Hz - 20kHz, +0/-1dB
信噪比 100 dB (103 dB in XTi 6002A) (低于额定功率,1 kHz, 8 ohms, A计权)
阻尼系数 (8 ohms), 10Hz - 400 Hz > 500
串扰
>70 dB (以额定输出功率为参考)20 Hz -1 kHz
输入阻抗(额定)
平衡
非平衡
20k ohms
10k ohms
输入级
输入是电子平衡采用1%精度电阻。
交流线路电流（120VAC功
放，1/8功率粉红噪音，每通
道4ohms）
6.8A
(闲置电压降，不
超过30W)
8.3A
(闲置电压降，不
超过30W)
10.5A
(闲置电压降，不
超过30W)
15.3A
(闲置电压降，不
超过180W)
电压增益（1kHz, 8 ohms额定
输出）
30.5 dB 32.9 dB 34.2 dB 37.1 dB
最大输入信号 +22dBu典型
负载阻抗（注意：所有负载
均安全）
立体声：2-8 ohms
桥接-单声道：4-16 ohms
交流电压和频率配置(± 10%)
220-240V 50/60 Hz.
运行温度 0° C - 40° C, 95% 相对湿度（非冷凝）
结构
通风 由前往后的空气对流机制
冷却 内部空气强排散热，风扇冷却，快速调节，温度保护
尺寸 (W x H x D) 19"x3.5"x12.25" (482 mm x 89 mm x 311 mm)
19"x3.5"x16.2" (482
mm x 89 mm x 411
mm)
净重 25.1 lb (11.4 kg) 28.0 lb (12.7 kg) 29.7 lb (13.5 kg) 43.0 lb (19.5 kg)
运输重量 18.5 lb (8.4 kg) 21.5 lb (9.8 kg) 24.0 lb (10.9 kg) 30.0 lb (13.6 kg)
最低保证功率，1kHz XTi 1002A XTi 2002A XTi 4002A XTi 6002A
每通道，驱动两个通道
立体声2欧姆
立体声4欧姆
立体声8欧姆
桥接单声道4欧姆
桥接单声道8欧姆
600W
* †
400W
240W
1200W
* †
800W
975W
*
800W
475W
1950W
*
1600W
1275W
*
1100W
650W
2550W
*
2200W
3000W
*
2100W
1200W
6000W
*
4200W
额定220VAC，持续一分钟
立体声2欧姆
立体声4欧姆
立体声8欧姆
600W
* †
400W
240W
975W
*
800W
475W
1275W
*
1100W
650W
1100W
*
1200W
1000W
总谐波失真：0.5%。*总谐波失真：1%。
†
不是 100V 版的额定值。
8. Specification
Performance
Sensitivity (volts RMS) for full rated power
at 4 ohms
1.4V
Signal Response(1 W, 4 ohms)
20Hz - 20kHz, +0/-1dB
Signal to Noise Ratio
100 dB (103 dB in XTi 6002A) (below rated 1 kHz power at 8 ohms), A-weighted
Damping Factor > 500, (8 ohms), 10 Hz - 400 Hz
Crosstalk
>70 dB (below rated power) 20 Hz -1 kHz
Input Impedance (nominal)
Balance
Unbalance
20k ohms
10k ohms
Input Stage
Input is electronically balanced and employs precision 1% resistors.
AC Line Current (120VAC amplifier playing
1/8 power pink noise into 4 ohms per ch)
6.8A
(at idle draws no
more than 30W)
8.3A
(at idle draws no
more than 30W)
10.5A
(at idle draws no
more than 30W)
15.3A
(at idle draws no
more than 180W)
Voltage Gain (at 1 kHz, 8 ohm rated output) 30.5 dB 32.9 dB 34.2 dB 37.1 dB
Maximum Input Signal +22dBu typical
Load impedance (note: safe with all types
of loads)
Stereo: 2-8 ohms
Bridge Mono: 4-16 ohms
AC Line Voltage and Frequency
Configurations Available (±10%)
220-240V 50/60 Hz.
Operating Temperature 0℃ to 40℃ at 95% relative humidity (non-condensing)
Structure
Ventilation Flow-through ventilation from front to back
Cooling Heat sinks and proportional-speed fan
Dimensions (W x H x D)
19"x3.5"x12.25" (482 mm x 89 mm x 311 mm)
19"x3.5"x16.2"
(482 mm x 89 mm
x 411 mm)
Net Weight 25.1 lb (11.4 kg) 28.0 lb (12.7 kg) 29.7 lb (13.5 kg) 43.0 lb (19.5 kg)
Shipping Weight 18.5 lb (8.4 kg) 21.5 lb (9.8 kg) 24.0 lb (10.9 kg) 30.0 lb (13.6 kg)
Minimum Guaranteed Power 1kHz
XTi 1002A XTi 2002A XTi 4002A XTi 6002A
Per Channel, both channels driven
Stereo, 2 ohms (per ch.)
Stereo, 4 ohms (per ch.)
Stereo, 8 ohms (per ch.)
Bridge-Mono, 4 ohms
Bridge-Mono, 8 ohms
600W
* †
400W
240W
1200W
* †
800W
975W
*
800W
475W
1950W
*
1600W
1275W
*
1100W
650W
2550W
*
2200W
3000W
*
2100W
1200W
6000W
*
4200W
Rated Power @220VAC, 1 min continuous
Stereo, 2 ohms (per ch.)
Stereo, 4 ohms (per ch.)
Stereo, 8 ohms (per ch.)
600W
* †
400W
240W
975W
*
800W
475W
1275W
*
1100W
650W
1100W
*
1200W
1000W
With 0.5% THD.*With 1% THD.
†
Not rated for 100V versions.
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